/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

import java.awt.Color;

import java.awt.FlowLayout;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JFrame;

import javax.swing.SwingUtilities;

import java.awt.Component;

import javax.swing.JOptionPane;

/**

 * @test

 * @bug 8039345

 * @author Prasanta Sadhukhan

 * @run main/manual ComponentResizeTest

 * @summary Resizes JFrame so that component drawn inside it gets repainted

 * without leaving any trails

 */

public class ComponentResizeTest {

    private static JFrame demoFrame;

    public static void testresize() throws Exception {

        Thread.sleep(5000);

        for (int i = 0; i < 20; i++) {

            SwingUtilities.invokeLater(() -> {

                demoFrame.setSize(demoFrame.getWidth() + 5, demoFrame.getHeight() + 5);

            });

            Thread.sleep(1000);

        }

    }

    public static void main(String[] args) throws Exception {

        SwingUtilities.invokeAndWait(() -> {

            JOptionPane.showMessageDialog(

                    (Component) null,

                    "The test creates a transparent JFrame and resizes the JFrame. Please verify JFrame is transparent and components (like JButton, checkbox) move without leaving any trails",

                    "information", JOptionPane.INFORMATION_MESSAGE);

            createAndShowGUI();

        });

        try {

            testresize();

        } finally {

            SwingUtilities.invokeLater(() -> {

                demoFrame.dispose();

            });

        }

        SwingUtilities.invokeAndWait(() -> {

            int confirm = JOptionPane.showConfirmDialog(

                    (Component) null,

                    "Did the component resize work without leaving any trails?",

                    "alert", JOptionPane.YES_NO_OPTION);

            if (confirm == JOptionPane.YES_OPTION) {

                System.out.println("Test passed");

            } else {

                System.out.println("Test failed");

                throw new RuntimeException("Component resize leaves trail");

            }

        });

    }

    private static void createAndShowGUI() {

        demoFrame = new JFrame();

        demoFrame.setSize(300, 300);

        demoFrame.setLayout(new FlowLayout());

        demoFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        demoFrame.setUndecorated(true);

        demoFrame.setBackground(new Color(0f, 0, 0, 0.1f));

        JCheckBox b = new JCheckBox("Whatever");

        demoFrame.paintAll(null);

        b.setOpaque(true);

        demoFrame.add(b);

        demoFrame.add(new JButton());

        demoFrame.setVisible(true);

    }

}